package VUTHANHPHUC_HOMEWORK_OOP;

public class Caculator {
	private double a;
	private double b;
	private String opt;

	public String getOpt() {
		return opt;
	}

	public void setOpt(String opt) {
		this.opt = opt;
	}

	public double getA() {
		return a;
	}

	public void setA(double a) {
		this.a = a;
	}

	public double getB() {
		return b;
	}

	public void setB(double b) {
		this.b = b;
	}

}
